HREELS TDS STUDY OF NO REACTION WITH HYDROGEN ON PT(100) SURFACE

Authors
ZEMLYANOV DY SMIRNOV MY GORODETSKII VV
Citation
Dy. Zemlyanov et al., HREELS TDS STUDY OF NO REACTION WITH HYDROGEN ON PT(100) SURFACE, Catalysis letters, 28(2-4), 1994, pp. 153-160
Citations number
17
Categorie Soggetti
Chemistry Physical
Journal title
Catalysis letters → ACNP
ISSN journal
1011372X
Volume
28
Issue
2-4
Year of publication
1994
Pages
153 - 160
Database
ISI
SICI code
1011-372X(1994)28:2-4<153:HTSONR>2.0.ZU;2-J
Abstract
NO adsorption on a Pt(100)-(hex) surface and NO(ads) reaction with hyd rogen at 300 K have been studied by HREELS, LEED, TDS and isothermal d esorption. NO adsorbs in molecular form, its molecules gathering in is lands with a high local coverage. Surface reconstruction into a (1 x 1 ) phase proceeds within the boundaries of islands. Reaction NO + H2 is performed via NO(ads) previous heating in vacuum at T(h) = 375-425 K. Kinetics of NO(ads) titration appears to be autocatalytic. Nitrogen i s the major reaction product.